<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Microphone Recording Animation</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f0f0f0;
        }

        .microphone-btn {
            border: none;
            background-color: transparent;
            cursor: pointer;
            position: relative;
            outline: none;
        }

        .microphone-icon {
            width: 50px;
            height: 50px;
            background-color: #333;
            border-radius: 50%;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: background-color 0.3s;
        }

        .microphone-icon::before {
            content: '';
            width: 20px;
            height: 30px;
            background-color: #fff;
            border-radius: 10px 10px 0 0;
            position: absolute;
            top: 5px;
        }

        .microphone-icon::after {
            content: '';
            width: 10px;
            height: 10px;
            background-color: #fff;
            border-radius: 50%;
            position: absolute;
            bottom: 5px;
        }

        .wave {
            position: absolute;
            border: 4px solid #f00; /* 设置线的粗细 */
            border-radius: 50%;
            opacity: 0;
            animation: wave-animation 1.5s infinite;
        }

        .microphone-icon.recording .wave:nth-child(1) {
            animation-delay: 0s;
        }

        .microphone-icon.recording .wave:nth-child(2) {
            animation-delay: 0.5s;
        }

        .microphone-icon.recording .wave:nth-child(3) {
            animation-delay: 1s;
        }

        @keyframes wave-animation {
            0% {
                width: 50px;
                height: 50px;
                opacity: 1;
                border-color: rgba(255, 0, 0, 1);
            }
            100% {
                width: 150px;
                height: 150px;
                opacity: 0;
                border-color: rgba(255, 0, 0, 0);
            }
        }
    </style>
</head>
<body>
    <button id="startRecording" class="microphone-btn">
        <div class="microphone-icon recording">
            <div class="wave"></div>
            <div class="wave"></div>
            <div class="wave"></div>
        </div>
    </button>
    <script>
        document.getElementById('startRecording').addEventListener('click', function() {
            const microphoneIcon = document.querySelector('.microphone-icon');
            microphoneIcon.classList.toggle('recording');
        });
    </script>
</body>
</html>

